66489890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{391117}}^1$

素因数の和:391141

約数の個数: 16

約数和(自身を含む): 126722232

約数和(自身を除く): 60232342

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 391117, 782234, 1955585, 3911170, 6648989, 13297978, 33244945, 66489890]

約数ペア:

[(1, 66489890), (2, 33244945), (5, 13297978), (10, 6648989), (17, 3911170), (34, 1955585), (85, 782234), (170, 391117)]